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뺄셈 2자리 - 1자리

		4	7
			8
		3	9

		3	8
			2
		3	6

		3	0
			5
		2	5

		4	9
			3
		4	6

		6	0
			5
		5	5

		2	2
			2
		2	0

		9	2
			3
		8	9

		8	4
			1
		8	3

		4	5
			2
		4	3

		3	6
			7
		2	9

		2	3
			7
		1	6

		1	8
			5
		1	3

		2	8
			2
		2	6

		2	5
			5
		2	0

		3	6
			4
		3	2